[INFO] crate as_tuple 0.1.0 is already in cache
[INFO] checking as_tuple-0.1.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate as_tuple 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate as_tuple 0.1.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate as_tuple 0.1.0
[INFO] finished tweaking crates.io crate as_tuple 0.1.0
[INFO] tweaked toml for crates.io crate as_tuple 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f60141b22acb8ca292c4bcc7a560c06694e1acf216b576f00c03d978ac3c5cd3
[INFO] running `"docker" "start" "-a" "f60141b22acb8ca292c4bcc7a560c06694e1acf216b576f00c03d978ac3c5cd3"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling as_tuple_derive v0.1.0
[INFO] [stderr]     Checking as_tuple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: suffixes on a tuple index are invalid
[INFO] [stderr]  --> tests/unnamed.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(AsTuple, Debug)]
[INFO] [stderr]   |          ^^^^^^^ invalid suffix `usize`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases
[INFO] [stderr]   = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access
[INFO] [stderr]   = note: see issue #60210 <https://github.com/rust-lang/rust/issues/60210> for more information
[INFO] [stderr]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.66s
[INFO] running `"docker" "inspect" "f60141b22acb8ca292c4bcc7a560c06694e1acf216b576f00c03d978ac3c5cd3"`
[INFO] running `"docker" "rm" "-f" "f60141b22acb8ca292c4bcc7a560c06694e1acf216b576f00c03d978ac3c5cd3"`
[INFO] [stdout] f60141b22acb8ca292c4bcc7a560c06694e1acf216b576f00c03d978ac3c5cd3